Home / 11,386,437.81-15,696,941.05-8,117,577.45

Finding the Fourth Proportional to 11,386,437.81, 15,696,941.05 and 8,117,577.45

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Solution

The fourth proportional to 11,386,437.81, 15,696,941.05 and 8,117,577.45 is: 11,190,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386,437.81 : 15,696,941.05 = 8,117,577.45 : x
  2. Step 2: Convert to fraction form
    11,386,437.81/15,696,941.05 = 8,117,577.45/x
  3. Step 3: Cross multiply
    11,386,437.81x = 15,696,941.05 × 8,117,577.45
  4. Step 4: Simplify right side
    11,386,437.81x = 127,421,134,582,386.73
  5. Step 5: Solve for x
    x = 127,421,134,582,386.73/11,386,437.81
  6. Step 6: Final answer
    x = 11,190,605.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.